./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:38:19,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:38:19,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-08 16:38:19,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:38:19,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:38:19,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:38:19,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:38:19,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:38:19,146 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:38:19,146 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:38:19,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:38:19,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:38:19,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:38:19,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:38:19,149 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:38:19,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:38:19,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:38:19,151 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:38:19,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:38:19,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:38:19,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:38:19,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:38:19,153 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 16:38:19,154 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 16:38:19,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:38:19,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:38:19,155 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:38:19,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:38:19,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:38:19,157 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:38:19,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:38:19,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:38:19,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:38:19,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:38:19,159 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:38:19,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:38:19,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:38:19,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:38:19,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:38:19,161 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:38:19,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:38:19,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:38:19,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:38:19,164 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:38:19,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:38:19,164 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-11-08 16:38:19,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:38:19,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:38:19,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:38:19,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:38:19,539 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:38:19,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i Unable to find full path for "g++" [2024-11-08 16:38:21,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:38:22,211 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:38:22,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i [2024-11-08 16:38:22,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/data/2163c5bec/f3934e6c49be4f198e2f9e42940e225d/FLAG9ac8b3186 [2024-11-08 16:38:22,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/data/2163c5bec/f3934e6c49be4f198e2f9e42940e225d [2024-11-08 16:38:22,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:38:22,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:38:22,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:38:22,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:38:22,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:38:22,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:38:22" (1/1) ... [2024-11-08 16:38:22,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a90424c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:22, skipping insertion in model container [2024-11-08 16:38:22,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:38:22" (1/1) ... [2024-11-08 16:38:22,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:38:23,062 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:23,105 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:23,114 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:23,119 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:23,132 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:23,163 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:23,166 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:23,173 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:23,177 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:23,180 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:23,181 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:23,195 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:23,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:38:23,223 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-08 16:38:23,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53161067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:23, skipping insertion in model container [2024-11-08 16:38:23,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:38:23,225 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-08 16:38:23,228 INFO L158 Benchmark]: Toolchain (without parser) took 925.20ms. Allocated memory is still 178.3MB. Free memory was 142.7MB in the beginning and 121.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 16:38:23,228 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:38:23,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 919.67ms. Allocated memory is still 178.3MB. Free memory was 142.7MB in the beginning and 121.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 16:38:23,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 919.67ms. Allocated memory is still 178.3MB. Free memory was 142.7MB in the beginning and 121.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 753]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:38:25,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:38:25,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-08 16:38:25,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:38:25,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:38:25,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:38:25,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:38:25,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:38:25,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:38:25,972 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:38:25,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:38:25,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:38:25,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:38:25,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:38:25,976 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:38:25,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:38:25,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:38:25,982 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:38:25,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:38:25,983 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:38:25,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:38:25,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:38:25,984 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 16:38:25,984 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 16:38:25,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:38:25,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:38:25,985 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:38:25,986 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:38:25,986 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:38:25,986 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:38:25,986 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:38:25,987 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:38:25,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:38:25,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:38:25,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:38:25,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:38:25,991 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:38:25,992 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:38:25,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:38:25,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:38:25,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:38:25,994 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:38:25,994 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:38:25,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:38:25,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:38:25,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:38:25,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:38:25,996 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-11-08 16:38:26,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:38:26,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:38:26,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:38:26,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:38:26,510 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:38:26,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i Unable to find full path for "g++" [2024-11-08 16:38:28,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:38:29,203 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:38:29,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i [2024-11-08 16:38:29,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/data/240326e47/a4374519f38940c8b34e1f898ec94716/FLAG4062fdc8c [2024-11-08 16:38:29,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/data/240326e47/a4374519f38940c8b34e1f898ec94716 [2024-11-08 16:38:29,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:38:29,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:38:29,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:38:29,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:38:29,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:38:29,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:38:29" (1/1) ... [2024-11-08 16:38:29,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@720e7562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:29, skipping insertion in model container [2024-11-08 16:38:29,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:38:29" (1/1) ... [2024-11-08 16:38:29,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:38:30,034 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,068 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,072 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,077 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,093 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,121 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,125 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,128 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,132 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,136 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,138 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,147 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:38:30,176 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-08 16:38:30,188 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:38:30,232 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,268 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,274 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,285 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,292 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,305 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,307 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,309 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,310 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,311 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,312 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,316 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:38:30,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:38:30,322 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:38:30,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:38:30,489 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:38:30,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30 WrapperNode [2024-11-08 16:38:30,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:38:30,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:38:30,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:38:30,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:38:30,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (1/1) ... [2024-11-08 16:38:30,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (1/1) ... [2024-11-08 16:38:30,586 INFO L138 Inliner]: procedures = 179, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 724 [2024-11-08 16:38:30,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:38:30,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:38:30,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:38:30,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:38:30,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (1/1) ... [2024-11-08 16:38:30,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (1/1) ... [2024-11-08 16:38:30,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (1/1) ... [2024-11-08 16:38:30,717 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2024-11-08 16:38:30,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (1/1) ... [2024-11-08 16:38:30,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (1/1) ... [2024-11-08 16:38:30,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (1/1) ... [2024-11-08 16:38:30,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (1/1) ... [2024-11-08 16:38:30,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (1/1) ... [2024-11-08 16:38:30,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (1/1) ... [2024-11-08 16:38:30,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:38:30,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:38:30,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:38:30,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:38:30,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (1/1) ... [2024-11-08 16:38:30,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:38:30,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:30,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:38:30,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:38:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 16:38:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 16:38:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 16:38:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 16:38:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-08 16:38:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-08 16:38:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-08 16:38:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-08 16:38:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 16:38:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:38:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 16:38:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 16:38:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 16:38:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 16:38:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:38:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 16:38:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 16:38:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:38:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 16:38:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:38:30,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:38:31,155 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:38:31,158 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:38:39,393 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-08 16:38:39,394 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:38:39,421 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:38:39,421 INFO L316 CfgBuilder]: Removed 35 assume(true) statements. [2024-11-08 16:38:39,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:38:39 BoogieIcfgContainer [2024-11-08 16:38:39,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:38:39,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:38:39,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:38:39,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:38:39,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:38:29" (1/3) ... [2024-11-08 16:38:39,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451f416f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:38:39, skipping insertion in model container [2024-11-08 16:38:39,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:38:30" (2/3) ... [2024-11-08 16:38:39,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451f416f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:38:39, skipping insertion in model container [2024-11-08 16:38:39,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:38:39" (3/3) ... [2024-11-08 16:38:39,434 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test1-2.i [2024-11-08 16:38:39,455 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:38:39,455 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:38:39,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:38:39,526 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51e214c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:38:39,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:38:39,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 136 states have (on average 1.625) internal successors, (221), 138 states have internal predecessors, (221), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:38:39,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 16:38:39,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:38:39,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:39,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:38:39,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:38:39,555 INFO L85 PathProgramCache]: Analyzing trace with hash 2008204039, now seen corresponding path program 1 times [2024-11-08 16:38:39,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:38:39,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [303534377] [2024-11-08 16:38:39,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:38:39,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:39,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:39,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:38:39,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:38:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:39,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:38:39,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:38:39,877 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:39,878 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:39,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303534377] [2024-11-08 16:38:39,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303534377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:39,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:39,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:38:39,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510273693] [2024-11-08 16:38:39,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:39,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:38:39,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:39,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:38:39,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:38:39,937 INFO L87 Difference]: Start difference. First operand has 143 states, 136 states have (on average 1.625) internal successors, (221), 138 states have internal predecessors, (221), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:38:40,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:38:40,289 INFO L93 Difference]: Finished difference Result 151 states and 198 transitions. [2024-11-08 16:38:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:38:40,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-08 16:38:40,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:38:40,306 INFO L225 Difference]: With dead ends: 151 [2024-11-08 16:38:40,306 INFO L226 Difference]: Without dead ends: 149 [2024-11-08 16:38:40,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:38:40,316 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 6 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:38:40,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 539 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:38:40,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-08 16:38:40,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2024-11-08 16:38:40,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 141 states have (on average 1.3333333333333333) internal successors, (188), 142 states have internal predecessors, (188), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:38:40,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 194 transitions. [2024-11-08 16:38:40,377 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 194 transitions. Word has length 9 [2024-11-08 16:38:40,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:38:40,379 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 194 transitions. [2024-11-08 16:38:40,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:38:40,379 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 194 transitions. [2024-11-08 16:38:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 16:38:40,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:38:40,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:40,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:38:40,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:40,585 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:38:40,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:38:40,586 INFO L85 PathProgramCache]: Analyzing trace with hash -593158334, now seen corresponding path program 1 times [2024-11-08 16:38:40,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:38:40,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [261136913] [2024-11-08 16:38:40,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:38:40,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:40,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:40,594 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:38:40,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:38:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:40,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:38:40,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:38:40,865 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:40,866 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:40,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261136913] [2024-11-08 16:38:40,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261136913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:40,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:40,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:38:40,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234410371] [2024-11-08 16:38:40,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:40,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:38:40,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:40,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:38:40,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:38:40,874 INFO L87 Difference]: Start difference. First operand 147 states and 194 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:38:45,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:38:47,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:38:48,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:38:48,047 INFO L93 Difference]: Finished difference Result 221 states and 289 transitions. [2024-11-08 16:38:48,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:38:48,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-08 16:38:48,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:38:48,052 INFO L225 Difference]: With dead ends: 221 [2024-11-08 16:38:48,052 INFO L226 Difference]: Without dead ends: 221 [2024-11-08 16:38:48,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:38:48,054 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 104 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:38:48,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 523 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 86 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2024-11-08 16:38:48,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-08 16:38:48,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 190. [2024-11-08 16:38:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 184 states have (on average 1.315217391304348) internal successors, (242), 185 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:38:48,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 248 transitions. [2024-11-08 16:38:48,072 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 248 transitions. Word has length 11 [2024-11-08 16:38:48,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:38:48,073 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 248 transitions. [2024-11-08 16:38:48,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:38:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 248 transitions. [2024-11-08 16:38:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 16:38:48,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:38:48,074 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:48,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:38:48,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:48,279 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:38:48,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:38:48,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1609953515, now seen corresponding path program 1 times [2024-11-08 16:38:48,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:38:48,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233008808] [2024-11-08 16:38:48,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:38:48,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:48,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:48,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:38:48,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:38:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:48,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:38:48,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:38:48,498 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:48,498 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:48,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233008808] [2024-11-08 16:38:48,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233008808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:48,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:48,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:38:48,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866032994] [2024-11-08 16:38:48,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:48,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:38:48,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:48,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:38:48,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:48,502 INFO L87 Difference]: Start difference. First operand 190 states and 248 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:38:52,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:38:53,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:38:53,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:38:53,698 INFO L93 Difference]: Finished difference Result 192 states and 249 transitions. [2024-11-08 16:38:53,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:38:53,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-08 16:38:53,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:38:53,705 INFO L225 Difference]: With dead ends: 192 [2024-11-08 16:38:53,705 INFO L226 Difference]: Without dead ends: 182 [2024-11-08 16:38:53,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:53,708 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 2 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:38:53,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 355 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-08 16:38:53,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-08 16:38:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-08 16:38:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 176 states have (on average 1.3181818181818181) internal successors, (232), 177 states have internal predecessors, (232), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:38:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 238 transitions. [2024-11-08 16:38:53,730 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 238 transitions. Word has length 13 [2024-11-08 16:38:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:38:53,731 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 238 transitions. [2024-11-08 16:38:53,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:38:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 238 transitions. [2024-11-08 16:38:53,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 16:38:53,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:38:53,734 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:53,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 16:38:53,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:53,935 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:38:53,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:38:53,936 INFO L85 PathProgramCache]: Analyzing trace with hash -798139102, now seen corresponding path program 1 times [2024-11-08 16:38:53,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:38:53,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1217398615] [2024-11-08 16:38:53,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:38:53,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:53,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:53,940 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:38:53,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 16:38:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:54,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:38:54,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:54,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 16:38:54,459 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:54,460 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:54,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217398615] [2024-11-08 16:38:54,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217398615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:54,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:54,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:38:54,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909028654] [2024-11-08 16:38:54,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:54,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:38:54,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:54,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:38:54,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:54,464 INFO L87 Difference]: Start difference. First operand 182 states and 238 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:38:54,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:38:54,618 INFO L93 Difference]: Finished difference Result 222 states and 278 transitions. [2024-11-08 16:38:54,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:38:54,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 80 [2024-11-08 16:38:54,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:38:54,621 INFO L225 Difference]: With dead ends: 222 [2024-11-08 16:38:54,621 INFO L226 Difference]: Without dead ends: 222 [2024-11-08 16:38:54,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:38:54,623 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 8 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:38:54,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 311 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:38:54,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-08 16:38:54,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-08 16:38:54,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 216 states have (on average 1.2592592592592593) internal successors, (272), 217 states have internal predecessors, (272), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:38:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 278 transitions. [2024-11-08 16:38:54,638 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 278 transitions. Word has length 80 [2024-11-08 16:38:54,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:38:54,639 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 278 transitions. [2024-11-08 16:38:54,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:38:54,640 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 278 transitions. [2024-11-08 16:38:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 16:38:54,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:38:54,642 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:38:54,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 16:38:54,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:54,847 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:38:54,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:38:54,848 INFO L85 PathProgramCache]: Analyzing trace with hash -365223778, now seen corresponding path program 1 times [2024-11-08 16:38:54,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:38:54,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [107219862] [2024-11-08 16:38:54,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:38:54,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:38:54,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:38:54,856 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:38:54,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 16:38:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:38:55,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:38:55,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:38:55,766 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 16:38:55,767 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:38:55,768 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:38:55,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107219862] [2024-11-08 16:38:55,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107219862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:38:55,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:38:55,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:38:55,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847198370] [2024-11-08 16:38:55,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:38:55,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:38:55,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:38:55,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:38:55,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:38:55,773 INFO L87 Difference]: Start difference. First operand 222 states and 278 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:39:00,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:39:04,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:39:07,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:39:07,072 INFO L93 Difference]: Finished difference Result 296 states and 372 transitions. [2024-11-08 16:39:07,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:39:07,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 80 [2024-11-08 16:39:07,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:39:07,076 INFO L225 Difference]: With dead ends: 296 [2024-11-08 16:39:07,076 INFO L226 Difference]: Without dead ends: 296 [2024-11-08 16:39:07,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:39:07,078 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 301 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:39:07,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 362 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 95 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2024-11-08 16:39:07,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-08 16:39:07,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 226. [2024-11-08 16:39:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 220 states have (on average 1.2454545454545454) internal successors, (274), 221 states have internal predecessors, (274), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:39:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 280 transitions. [2024-11-08 16:39:07,092 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 280 transitions. Word has length 80 [2024-11-08 16:39:07,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:39:07,094 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 280 transitions. [2024-11-08 16:39:07,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:39:07,095 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 280 transitions. [2024-11-08 16:39:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:39:07,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:39:07,098 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:07,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 16:39:07,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:07,312 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:39:07,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:07,313 INFO L85 PathProgramCache]: Analyzing trace with hash -829656295, now seen corresponding path program 1 times [2024-11-08 16:39:07,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:39:07,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422392377] [2024-11-08 16:39:07,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:07,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:07,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:39:07,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:39:07,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 16:39:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:07,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:39:07,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:39:07,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 16:39:07,850 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:39:07,850 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:39:07,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422392377] [2024-11-08 16:39:07,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422392377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:39:07,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:39:07,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:39:07,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087167729] [2024-11-08 16:39:07,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:39:07,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:39:07,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:39:07,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:39:07,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:39:07,853 INFO L87 Difference]: Start difference. First operand 226 states and 280 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:39:08,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:39:08,002 INFO L93 Difference]: Finished difference Result 190 states and 220 transitions. [2024-11-08 16:39:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:39:08,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2024-11-08 16:39:08,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:39:08,004 INFO L225 Difference]: With dead ends: 190 [2024-11-08 16:39:08,004 INFO L226 Difference]: Without dead ends: 190 [2024-11-08 16:39:08,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:39:08,006 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 32 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:39:08,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 427 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:39:08,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-08 16:39:08,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-11-08 16:39:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 184 states have (on average 1.1630434782608696) internal successors, (214), 185 states have internal predecessors, (214), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:39:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 220 transitions. [2024-11-08 16:39:08,024 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 220 transitions. Word has length 82 [2024-11-08 16:39:08,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:39:08,024 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 220 transitions. [2024-11-08 16:39:08,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:39:08,024 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 220 transitions. [2024-11-08 16:39:08,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:39:08,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:39:08,031 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:08,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 16:39:08,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:08,232 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:39:08,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:08,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1207878439, now seen corresponding path program 1 times [2024-11-08 16:39:08,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:39:08,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957319954] [2024-11-08 16:39:08,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:08,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:08,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:39:08,236 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:39:08,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 16:39:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:08,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:39:08,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:39:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 16:39:08,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:39:08,758 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:39:08,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957319954] [2024-11-08 16:39:08,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957319954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:39:08,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:39:08,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:39:08,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599644504] [2024-11-08 16:39:08,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:39:08,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:39:08,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:39:08,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:39:08,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:39:08,765 INFO L87 Difference]: Start difference. First operand 190 states and 220 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:39:08,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:39:08,828 INFO L93 Difference]: Finished difference Result 193 states and 224 transitions. [2024-11-08 16:39:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:39:08,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2024-11-08 16:39:08,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:39:08,832 INFO L225 Difference]: With dead ends: 193 [2024-11-08 16:39:08,832 INFO L226 Difference]: Without dead ends: 193 [2024-11-08 16:39:08,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:39:08,834 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:39:08,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 494 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:39:08,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-08 16:39:08,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2024-11-08 16:39:08,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 186 states have (on average 1.1666666666666667) internal successors, (217), 188 states have internal predecessors, (217), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-08 16:39:08,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 224 transitions. [2024-11-08 16:39:08,843 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 224 transitions. Word has length 82 [2024-11-08 16:39:08,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:39:08,844 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 224 transitions. [2024-11-08 16:39:08,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:39:08,844 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 224 transitions. [2024-11-08 16:39:08,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 16:39:08,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:39:08,846 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:08,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 16:39:09,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:09,047 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:39:09,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:09,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1906322875, now seen corresponding path program 1 times [2024-11-08 16:39:09,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:39:09,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615629741] [2024-11-08 16:39:09,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:09,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:09,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:39:09,050 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:39:09,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 16:39:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:09,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:39:09,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:39:09,921 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 16:39:09,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:39:10,352 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 16:39:10,354 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:39:10,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615629741] [2024-11-08 16:39:10,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615629741] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:39:10,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:39:10,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-11-08 16:39:10,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178493587] [2024-11-08 16:39:10,356 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:39:10,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:39:10,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:39:10,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:39:10,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:39:10,360 INFO L87 Difference]: Start difference. First operand 193 states and 224 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:39:10,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:39:10,778 INFO L93 Difference]: Finished difference Result 403 states and 474 transitions. [2024-11-08 16:39:10,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:39:10,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 84 [2024-11-08 16:39:10,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:39:10,783 INFO L225 Difference]: With dead ends: 403 [2024-11-08 16:39:10,783 INFO L226 Difference]: Without dead ends: 403 [2024-11-08 16:39:10,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:39:10,785 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 353 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:39:10,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 807 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:39:10,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-08 16:39:10,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-08 16:39:10,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.1653944020356235) internal successors, (458), 395 states have internal predecessors, (458), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-08 16:39:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 474 transitions. [2024-11-08 16:39:10,808 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 474 transitions. Word has length 84 [2024-11-08 16:39:10,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:39:10,808 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 474 transitions. [2024-11-08 16:39:10,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:39:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 474 transitions. [2024-11-08 16:39:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-08 16:39:10,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:39:10,818 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:10,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 16:39:11,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:11,018 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:39:11,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:11,019 INFO L85 PathProgramCache]: Analyzing trace with hash 751478780, now seen corresponding path program 1 times [2024-11-08 16:39:11,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:39:11,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1913709447] [2024-11-08 16:39:11,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:11,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:11,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:39:11,021 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:39:11,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 16:39:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:39:12,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:39:12,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:39:12,131 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 121 proven. 1 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-08 16:39:12,132 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:39:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 121 proven. 1 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-08 16:39:12,308 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:39:12,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913709447] [2024-11-08 16:39:12,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913709447] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:39:12,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:39:12,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-08 16:39:12,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479272908] [2024-11-08 16:39:12,309 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:39:12,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:39:12,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:39:12,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:39:12,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:39:12,312 INFO L87 Difference]: Start difference. First operand 403 states and 474 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 16:39:12,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:39:12,568 INFO L93 Difference]: Finished difference Result 414 states and 497 transitions. [2024-11-08 16:39:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:39:12,569 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 252 [2024-11-08 16:39:12,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:39:12,571 INFO L225 Difference]: With dead ends: 414 [2024-11-08 16:39:12,571 INFO L226 Difference]: Without dead ends: 414 [2024-11-08 16:39:12,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:39:12,573 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 5 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:39:12,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 652 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:39:12,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-08 16:39:12,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 412. [2024-11-08 16:39:12,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 401 states have (on average 1.1770573566084788) internal successors, (472), 403 states have internal predecessors, (472), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-08 16:39:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 492 transitions. [2024-11-08 16:39:12,589 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 492 transitions. Word has length 252 [2024-11-08 16:39:12,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:39:12,590 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 492 transitions. [2024-11-08 16:39:12,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 16:39:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 492 transitions. [2024-11-08 16:39:12,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-08 16:39:12,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:39:12,595 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:12,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 16:39:12,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:12,796 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:39:12,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:12,797 INFO L85 PathProgramCache]: Analyzing trace with hash -429461730, now seen corresponding path program 2 times [2024-11-08 16:39:12,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:39:12,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [266855309] [2024-11-08 16:39:12,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:39:12,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:12,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:39:12,804 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:39:12,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 16:39:13,969 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 16:39:13,969 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:39:14,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:39:14,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:39:14,146 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 133 proven. 3 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-08 16:39:14,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:39:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 115 proven. 20 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-08 16:39:14,456 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:39:14,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266855309] [2024-11-08 16:39:14,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266855309] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:39:14,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:39:14,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-08 16:39:14,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47650415] [2024-11-08 16:39:14,457 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:39:14,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:39:14,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:39:14,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:39:14,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:39:14,459 INFO L87 Difference]: Start difference. First operand 412 states and 492 transitions. Second operand has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:39:14,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:39:14,956 INFO L93 Difference]: Finished difference Result 420 states and 502 transitions. [2024-11-08 16:39:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:39:14,958 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 256 [2024-11-08 16:39:14,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:39:14,961 INFO L225 Difference]: With dead ends: 420 [2024-11-08 16:39:14,961 INFO L226 Difference]: Without dead ends: 418 [2024-11-08 16:39:14,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:39:14,962 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 5 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:39:14,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 819 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:39:14,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-08 16:39:14,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 416. [2024-11-08 16:39:14,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 405 states have (on average 1.180246913580247) internal successors, (478), 407 states have internal predecessors, (478), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-08 16:39:14,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 494 transitions. [2024-11-08 16:39:14,979 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 494 transitions. Word has length 256 [2024-11-08 16:39:14,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:39:14,979 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 494 transitions. [2024-11-08 16:39:14,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 10 states have internal predecessors, (130), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:39:14,980 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 494 transitions. [2024-11-08 16:39:14,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-08 16:39:14,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:39:14,984 INFO L215 NwaCegarLoop]: trace histogram [10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:39:15,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 16:39:15,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:15,185 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:39:15,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:15,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1343647646, now seen corresponding path program 3 times [2024-11-08 16:39:15,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:39:15,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [259124726] [2024-11-08 16:39:15,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 16:39:15,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:39:15,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:39:15,188 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:39:15,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1814ea8-c328-4a7a-a5e0-a375a94ffaf8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process